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FUNGORUM - Acervo Digital de Obras Especiais

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Agaricineæ, Leucosporæ, Omphalia. 333<br />

113. Omphalia rhyssospora Mont. Syll. Crypt. n. 362. - Cæspi- 1290<br />

tosa; pileo carnoso-membranaceo, convexo-hemisphærico, centro<br />

<strong>de</strong>presso umbilicato, margine striato griseo ardosiaco; stipite fistuloso,<br />

dilutiori; lamellis tridymis, postice late adnexis, ungue <strong>de</strong>currentibus,<br />

pallidis tan<strong>de</strong>m pulverulentis; sporis episporio crispato<br />

rugulosis.<br />

Hab. ad folia <strong>de</strong>cidua in silvis, circa Columbum Amer fœ<strong>de</strong>r.<br />

(SULLIVANT). - Pileus 2-3 cm. latus, 1 1/2-2 cm. altus. Stipes fragilis<br />

(saltem in sicco) 5-8 cm. longus, 3 mm. in medio crassus,<br />

basi dilatata, mycelio floccoso albo foliis <strong>de</strong>lapsis adtixus, apice in<br />

pileum dilatatus, pileo concolor at val<strong>de</strong> dilutior, potius cinereus,<br />

levis. Lamellæ autem omnes antice attenuato-acutæ, longiores vero<br />

stipiti tractu longo (3-4 mm.) adnexæ <strong>de</strong>nteque brevi <strong>de</strong>currentes,<br />

venis parum exstantibus anastomosantes, primo incarnatæ, siccæ<br />

pallidæ et pulverulentæ, me<strong>de</strong>factæ 70 µ. crassæ. Hymenium ex<br />

basidiis brevibus clavatis constans. Sporæ qua ternatæ (?) singulares,<br />

gigartoi<strong>de</strong>æ, hyalinæ, episporio rugoso, 1-2 nucleatæ, uno fine<br />

acuminato-substipitatæ, 10 5.<br />

114. Omphalia purpureo-rosea B. et Mont. Syll. Crypt. n. 358, Cent. 1292<br />

V, n. 81. - Pileo membranaceo, convexo, profun<strong>de</strong> umbilicato, radioso-fibroso,<br />

striato, margine repando; stipite gracili, basi fusiformi,<br />

apice subincrassato in sicco tortili striatulo; lamellis paucis (8-10)<br />

latiusculis, <strong>de</strong>currentibus, acie obtusis, concoloribus.<br />

Hab. in districtu Morro quemado Brasiliæ (WHITE et GUERIN-<br />

115. Omphalia versatilis Bert. et M. Syll. Crypt. n. 357 et Fl. Chil. 1293<br />

VII, p. 335. - Pileo umbrino fuligineo, velutino, difformi, convexo<br />

<strong>de</strong>in cyathiformi, margine repando, undulato; lamellis confertis,<br />

primo albis <strong>de</strong>mum carneo-flavescentibus; stipite solido, tenui, albicante<br />

(interdum excentrico) fibroso-striato, basi inflexa radicante.<br />

Hab. ad parietes post pluvias Rancagua in Chile (BERTERO).<br />

116. Omphalia Nevillæ Berk. in Grevillea. - Pileo hemisphærico, brun- 1294<br />

neo, <strong>de</strong>presso, rugoso, striato, minute granulato; margine tenuissimo,<br />

pallescente impunctato; stipite pallidiore nigro-granulato albo-<br />

farcto, basi subdilatato villoso-strigoso; lamellis candidis, arcuato<strong>de</strong>currentibus,<br />

interstitiis lateribusque venoso-rugosis.<br />

Hab. supra Sphagnum in vase Orchi<strong>de</strong>arum, Dangstein. - Pileus<br />

12 mm. latus; stipes 2 1/2 cm. longus, vix 2 mm. crassus. Aliquantulum<br />

refert O. affricatam, sed non infundibuliformis, neque<br />

squamis pilosis variegata, lamellæ vero albæ, non cinereæ,

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